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Pfannenberg

SIGNALLING TECHNOLOGY · 3D-COVERAGE

Warnings You Can HearAnd See

Sounders and beacons with coverage data to help you plan where each device belongs.

PATROL PA X 10 · combined sounder and beacon
In focusPATROL PA X 10 · combined sounder and beacon
About Pfannenberg

Match The Signal To The Space

Pfannenberg helps you plan warnings that people can hear and see. You can use its 3D-Coverage data to understand the space a device covers, taking your site’s background noise and lighting into account.

Meet the manufacturer
Our products

The Pfannenberg range

A closer look

What Affects Alarm Coverage?

Planning alarm coverage in large spaces
Planning alarm coverage in large spaces
01

People

Coverage needs to reach the places where people work and move.

02

Noise

Background noise can mask an alarm, especially at a distance.

03

Light

Bright surroundings can make a flashing beacon harder to see.

04

Space

Room dimensions and device position determine the area covered.

Product guide

Plan Coverage In Three Dimensions

Use the manufacturer's coverage calculator and PSS sizing software to evaluate devices in their application.

3D-Coverage + PSS

Room geometry. Environmental conditions. Device performance.

Open Pfannenberg Planning Tools
Certifications

Approvals, at a glance

Approvals vary by device and configuration. 3D-Coverage is a planning method, separate from product certification.

Applications

Where And How To Use The Range

Industrial Facilities
Industrial Facilities
Warehouses And Logistics
Warehouses And Logistics
Marine And Offshore
Marine And Offshore

Specialist Applications

SIL Warning Systems

Pfannenberg provides signalling options for functional safety applications. Use the device safety data when designing the complete safety function.

Manufacturer Details
From the Manufacturer

Watch & Explore

PATROL Sounders And Combined Signaling

Technical resources

Product documents and downloads

Frequently asked questions

Quick answers

Can I size a sounder from its maximum dB rating?

Not from the maximum dB rating alone. You also need to consider the alarm tone, distance and background noise where people will hear it.

Does changing the lens colour affect coverage?

Yes. Different lenses let through different amounts of light. Use the coverage data for the colour you plan to install.

Is 3D-Coverage the same as EN 54 certification?

No. You can use 3D-Coverage to help position devices. EN 54 certification tells you about the tested performance of specific fire alarm products.

Can I use the same beacon indoors and outdoors?

Check the model’s enclosure rating, temperature limits and mounting instructions. Outdoor sunlight also affects visibility, so an indoor layout may not provide enough warning outside.

When should I choose a combined sounder and beacon?

A combined unit can provide audible and visual warning at one position. Both the sound and light coverage still need to suit the people and space being protected.

What information helps select a replacement?

Send the full part number, voltage, lens colour, mounting arrangement and alarm function. A similar-looking unit may have a different electrical load or coverage.

Are all Pfannenberg signaling devices suitable for a fire alarm system?

No. Select a device with the required fire alarm approval and confirm its supply, current demand and compatibility with the system. An industrial warning device is not automatically an approved fire alarm device.

Which products can be used in hazardous areas?

Use the Ex-ATEX range and check the exact device certificate against the site classification. Standard PATROL and PYRA units should not be assumed suitable for a hazardous area.

Talk To Our Team

Find The Right Warning For Your Site

Send the room dimensions, noise conditions and alarm objective.

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We normally respond within one business day. Use WhatsApp or telephone for urgent support.

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